3155423616 has 192 divisors, whose sum is σ = 9357369840. Its totient is φ = 1020211200.

The previous prime is 3155423611. The next prime is 3155423627. The reversal of 3155423616 is 6163245513.

3155423616 is a `hidden beast` number, since 3 + 15 + 5 + 4 + 23 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155423611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5832306 + ... + 5832846.

Almost surely, 2^3155423616 is an apocalyptic number.

3155423616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3155423616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4678684920).

3155423616 is an abundant number, since it is smaller than the sum of its proper divisors (6201946224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3155423616 is a wasteful number, since it uses less digits than its factorization.

3155423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 690 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3155423616 is about 56173.1574330658. The cubic root of 3155423616 is about 1466.7380453783.

The spelling of 3155423616 in words is "three billion, one hundred fifty-five million, four hundred twenty-three thousand, six hundred sixteen".